X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fconfig.c;h=ee188537845cb81054628ec8072e63210ca2c1ae;hb=270922bf61c0c610917fb07e49b47721c8afc35d;hp=1b4e1c344ef0b2c93a5f86cb1ed34f8d502e89a3;hpb=e77ebb6c7166f040c7c8d5e89c1be5e62eaa98cf;p=i3%2Fi3 diff --git a/src/config.c b/src/config.c index 1b4e1c34..ee188537 100644 --- a/src/config.c +++ b/src/config.c @@ -12,18 +12,117 @@ #include #include #include +#include #include "i3.h" #include "util.h" #include "config.h" +#include "xcb.h" Config config; /* - * Reads the configuration from the given file + * This function resolves ~ in pathnames. * */ -void load_configuration(const char *configfile) { +static char *glob_path(const char *path) { + static glob_t globbuf; + if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0) + die("glob() failed"); + char *result = sstrdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path); + globfree(&globbuf); + return result; +} + +/* + * This function does a very simple replacement of each instance of key with value. + * + */ +static void replace_variable(char *buffer, const char *key, const char *value) { + char *pos; + /* To prevent endless recursions when the user makes an error configuring, + * we stop after 100 replacements. That should be vastly more than enough. */ + int c = 0; + LOG("Replacing %s with %s\n", key, value); + while ((pos = strcasestr(buffer, key)) != NULL && c++ < 100) { + LOG("replacing variable %s in \"%s\" with \"%s\"\n", key, buffer, value); + char *rest = pos + strlen(key); + *pos = '\0'; + char *replaced; + asprintf(&replaced, "%s%s%s", buffer, value, rest); + /* Hm, this is a bit ugly, but sizeof(buffer) = 4, as it’s just a pointer. + * So we need to hard-code the dimensions here. */ + strncpy(buffer, replaced, 1026); + free(replaced); + } +} + +/* + * Ungrab the bound keys + * + */ +void ungrab_all_keys(xcb_connection_t *conn) { + Binding *bind; + TAILQ_FOREACH(bind, &bindings, bindings) { + LOG("Ungrabbing %d\n", bind->keycode); + xcb_ungrab_key(conn, bind->keycode, root, bind->keycode); + } +} + +/* + * Grab the bound keys (tell X to send us keypress events for those keycodes) + * + */ +void grab_all_keys(xcb_connection_t *conn) { + Binding *bind; + TAILQ_FOREACH(bind, &bindings, bindings) { + LOG("Grabbing %d\n", bind->keycode); + if ((bind->mods & BIND_MODE_SWITCH) != 0) + xcb_grab_key(conn, 0, root, 0, bind->keycode, + XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_SYNC); + else { + /* Grab the key in all combinations */ + #define GRAB_KEY(modifier) xcb_grab_key(conn, 0, root, modifier, bind->keycode, \ + XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC) + GRAB_KEY(bind->mods); + GRAB_KEY(bind->mods | xcb_numlock_mask); + GRAB_KEY(bind->mods | xcb_numlock_mask | XCB_MOD_MASK_LOCK); + } + } +} + +/* + * Reads the configuration from ~/.i3/config or /etc/i3/config if not found. + * + * If you specify override_configpath, only this path is used to look for a + * configuration file. + * + */ +void load_configuration(xcb_connection_t *conn, const char *override_configpath, bool reload) { + if (reload) { + /* First ungrab the keys */ + ungrab_all_keys(conn); + + /* Clear the old binding and assignment lists */ + Binding *bind; + while (!TAILQ_EMPTY(&bindings)) { + bind = TAILQ_FIRST(&bindings); + TAILQ_REMOVE(&bindings, bind, bindings); + FREE(bind->command); + FREE(bind); + } + + struct Assignment *assign; + while (!TAILQ_EMPTY(&assignments)) { + assign = TAILQ_FIRST(&assignments); + FREE(assign->windowclass_title); + TAILQ_REMOVE(&assignments, assign, assignments); + FREE(assign); + } + } + + SLIST_HEAD(variables_head, Variable) variables; + #define OPTION_STRING(name) \ if (strcasecmp(key, #name) == 0) { \ config.name = sstrdup(value); \ @@ -34,17 +133,63 @@ void load_configuration(const char *configfile) { if (config.name == NULL) \ die("You did not specify required configuration option " #name "\n"); +#define OPTION_COLORTRIPLE(opt, name) \ + if (strcasecmp(key, opt) == 0) { \ + char border[8], background[8], text[8]; \ + memset(border, 0, sizeof(border)); \ + memset(background, 0, sizeof(background)); \ + memset(text, 0, sizeof(text)); \ + border[0] = background[0] = text[0] = '#'; \ + if (sscanf(value, "#%06[0-9a-fA-F] #%06[0-9a-fA-F] #%06[0-9a-fA-F]", \ + border + 1, background + 1, text + 1) != 3 || \ + strlen(border) != 7 || \ + strlen(background) != 7 || \ + strlen(text) != 7) \ + die("invalid color code line: %s\n", value); \ + config.name.border = get_colorpixel(conn, border); \ + config.name.background = get_colorpixel(conn, background); \ + config.name.text = get_colorpixel(conn, text); \ + continue; \ + } + /* Clear the old config or initialize the data structure */ memset(&config, 0, sizeof(config)); - /* check if the file exists */ - struct stat buf; - if (stat(configfile, &buf) < 0) - return; + SLIST_INIT(&variables); + + /* Initialize default colors */ + config.client.focused.border = get_colorpixel(conn, "#4c7899"); + config.client.focused.background = get_colorpixel(conn, "#285577"); + config.client.focused.text = get_colorpixel(conn, "#ffffff"); + + config.client.focused_inactive.border = get_colorpixel(conn, "#4c7899"); + config.client.focused_inactive.background = get_colorpixel(conn, "#555555"); + config.client.focused_inactive.text = get_colorpixel(conn, "#ffffff"); + + config.client.unfocused.border = get_colorpixel(conn, "#333333"); + config.client.unfocused.background = get_colorpixel(conn, "#222222"); + config.client.unfocused.text = get_colorpixel(conn, "#888888"); + + config.bar.focused.border = get_colorpixel(conn, "#4c7899"); + config.bar.focused.background = get_colorpixel(conn, "#285577"); + config.bar.focused.text = get_colorpixel(conn, "#ffffff"); + + config.bar.unfocused.border = get_colorpixel(conn, "#333333"); + config.bar.unfocused.background = get_colorpixel(conn, "#222222"); + config.bar.unfocused.text = get_colorpixel(conn, "#888888"); - FILE *handle = fopen(configfile, "r"); - if (handle == NULL) - die("Could not open configfile\n"); + FILE *handle; + if (override_configpath != NULL) { + if ((handle = fopen(override_configpath, "r")) == NULL) + die("Could not open configfile \"%s\".\n", override_configpath); + } else { + /* We first check for ~/.i3/config, then for /etc/i3/config */ + char *globbed = glob_path("~/.i3/config"); + if ((handle = fopen(globbed, "r")) == NULL) + if ((handle = fopen("/etc/i3/config", "r")) == NULL) + die("Neither \"%s\" nor /etc/i3/config could be opened\n", globbed); + free(globbed); + } char key[512], value[512], buffer[1026]; while (!feof(handle)) { @@ -55,6 +200,14 @@ void load_configuration(const char *configfile) { die("Could not read configuration file\n"); } + if (config.terminal != NULL) + replace_variable(buffer, "$terminal", config.terminal); + + /* Replace all custom variables */ + struct Variable *current; + SLIST_FOREACH(current, &variables, variables) + replace_variable(buffer, current->key, current->value); + /* sscanf implicitly strips whitespace. Also, we skip comments and empty lines. */ if (sscanf(buffer, "%s %[^\n]", key, value) < 1 || key[0] == '#' || strlen(key) < 3) @@ -63,6 +216,22 @@ void load_configuration(const char *configfile) { OPTION_STRING(terminal); OPTION_STRING(font); + /* Colors */ + OPTION_COLORTRIPLE("client.focused", client.focused); + OPTION_COLORTRIPLE("client.focused_inactive", client.focused_inactive); + OPTION_COLORTRIPLE("client.unfocused", client.unfocused); + OPTION_COLORTRIPLE("bar.focused", bar.focused); + OPTION_COLORTRIPLE("bar.unfocused", bar.unfocused); + + /* exec-lines (autostart) */ + if (strcasecmp(key, "exec") == 0) { + struct Autostart *new = smalloc(sizeof(struct Autostart)); + new->command = sstrdup(value); + TAILQ_INSERT_TAIL(&autostarts, new, autostarts); + continue; + } + + /* key bindings */ if (strcasecmp(key, "bind") == 0) { #define CHECK_MODIFIER(name) \ if (strncasecmp(walk, #name, strlen(#name)) == 0) { \ @@ -93,7 +262,7 @@ void load_configuration(const char *configfile) { if (!rest || *rest != ' ') die("Invalid binding\n"); rest++; - printf("keycode = %d, modifiers = %d, command = *%s*\n", keycode, modifiers, rest); + LOG("keycode = %d, modifiers = %d, command = *%s*\n", keycode, modifiers, rest); Binding *new = smalloc(sizeof(Binding)); new->keycode = keycode; new->mods = modifiers; @@ -102,13 +271,126 @@ void load_configuration(const char *configfile) { continue; } - fprintf(stderr, "Unknown configfile option: %s\n", key); - exit(1); + if (strcasecmp(key, "floating_modifier") == 0) { + char *walk = value; + uint32_t modifiers = 0; + + while (*walk != '\0') { + /* Need to check for Mod1-5, Ctrl, Shift, Mode_switch */ + CHECK_MODIFIER(SHIFT); + CHECK_MODIFIER(CONTROL); + CHECK_MODIFIER(MODE_SWITCH); + CHECK_MODIFIER(MOD1); + CHECK_MODIFIER(MOD2); + CHECK_MODIFIER(MOD3); + CHECK_MODIFIER(MOD4); + CHECK_MODIFIER(MOD5); + + /* No modifier found? Then we’re done with this step */ + break; + } + + LOG("Floating modifiers = %d\n", modifiers); + config.floating_modifier = modifiers; + continue; + } + + /* assign window class[/window title] → workspace */ + if (strcasecmp(key, "assign") == 0) { + LOG("assign: \"%s\"\n", value); + char *class_title; + char *target; + char *end; + + /* If the window class/title is quoted we skip quotes */ + if (value[0] == '"') { + class_title = sstrdup(value+1); + end = strchr(class_title, '"'); + } else { + class_title = sstrdup(value); + /* If it is not quoted, we terminate it at the first space */ + end = strchr(class_title, ' '); + } + if (end == NULL) + die("Malformed assignment, couldn't find terminating quote\n"); + *end = '\0'; + + /* Strip trailing whitespace */ + while (strlen(value) > 0 && value[strlen(value)-1] == ' ') + value[strlen(value)-1] = '\0'; + + /* The target is the last argument separated by a space */ + if ((target = strrchr(value, ' ')) == NULL) + die("Malformed assignment, couldn't find target (\"%s\")\n", value); + target++; + + if (strchr(target, '~') == NULL && (atoi(target) < 1 || atoi(target) > 10)) + die("Malformed assignment, invalid workspace number\n"); + + LOG("assignment parsed: \"%s\" to \"%s\"\n", class_title, target); + + struct Assignment *new = scalloc(sizeof(struct Assignment)); + new->windowclass_title = class_title; + if (strchr(target, '~') != NULL) + new->floating = ASSIGN_FLOATING_ONLY; + + while (*target == '~') + target++; + + if (atoi(target) >= 1 && atoi(target) <= 10) { + if (new->floating == ASSIGN_FLOATING_ONLY) + new->floating = ASSIGN_FLOATING; + new->workspace = atoi(target); + } + TAILQ_INSERT_TAIL(&assignments, new, assignments); + + LOG("Assignment loaded: \"%s\":\n", class_title); + if (new->floating != ASSIGN_FLOATING_ONLY) + LOG(" to workspace %d\n", new->workspace); + + if (new->floating != ASSIGN_FLOATING_NO) + LOG(" will be floating\n"); + + continue; + } + + /* set a custom variable */ + if (strcasecmp(key, "set") == 0) { + if (value[0] != '$') + die("Malformed variable assignment, name has to start with $\n"); + + /* get key/value for this variable */ + char *v_key = value, *v_value; + if ((v_value = strstr(value, " ")) == NULL) + die("Malformed variable assignment, need a value\n"); + + *(v_value++) = '\0'; + + struct Variable *new = scalloc(sizeof(struct Variable)); + new->key = sstrdup(v_key); + new->value = sstrdup(v_value); + SLIST_INSERT_HEAD(&variables, new, variables); + LOG("Got new variable %s = %s\n", v_key, v_value); + continue; + } + + die("Unknown configfile option: %s\n", key); } + /* now grab all keys again */ + if (reload) + grab_all_keys(conn); fclose(handle); REQUIRED_OPTION(terminal); REQUIRED_OPTION(font); + while (!SLIST_EMPTY(&variables)) { + struct Variable *v = SLIST_FIRST(&variables); + SLIST_REMOVE_HEAD(&variables, variables); + free(v->key); + free(v->value); + free(v); + } + return; }